XenSource Xen VZEROUPPER information disclosure |
NAME
__________
XenSource Xen VZEROUPPER information disclosure
Platforms Affected:
XenSource Xen
Risk Level:
6.5
Exploitability:
Unproven
Consequences:
Obtain Information
DESCRIPTION
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XenSource Xen could allow a local attacker to obtain sensitive information, caused by improper handling of an instruction called ‘vzeroupper’ during speculative execution. An attacker could exploit this vulnerability to directly access data from the sibling thread, or from a more privileged context.
CVSS 3.0 Information
__________
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Access Vector:
Network
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